To determine if 787 is a prime number or a composite number, we simply look at the factors for 787.
If the factors of 787 are only 787 and 1, then we know that 787 is a prime number. Otherwise, 787 is a composite number.
To explain better, if 787 is only divisible by 1 and 787, then it is a prime number, and if 787 is divisible by more than 787 and 1, then it is a composite number.
The factors of 787 are as follows:
1, 787
Therefore, since 787 is divisible by only one and itself, the answer to the
question "Is 787 prime or composite?" is highlighted in blue below.
prime
Is 788 prime or composite?
OK. Now you know that 787 is a prime number. Use our logic above and see if
you can figure out if the next number on our list is prime or composite before you check your answer.
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